hurdler vs hurdle

hurdler and hurdle both are nouns.

Word	Noun	Adjective	Verb	Adverb
hurdler	Yes	No	No	No
hurdle	Yes	No	Yes	No

hurdler (noun)	hurdle (noun)
an athlete who runs the hurdles	the act of jumping over an obstacle
	a light movable barrier that competitors must leap over in certain races
	an obstacle that you are expected to overcome

hurdler (verb)	hurdle (verb)
	jump a hurdle